The Trujillo Formaldehyde Wheels from Spitfire are a Tony Trujillo pro model wheel poured from high quality white urethane. These wheels measure in at 56mm have a Conical sidecut profile shape and are 99A in durometer. All our skateboard wheels are sold as a set of four.Spitfire Trujillo Formaldehyde Skateboard Wheels Features:Trujillo Formaldehyde...